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Finding the Fourth Proportional to 260,227.50, 359,113.95 and 140,995.50

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Solution

The fourth proportional to 260,227.50, 359,113.95 and 140,995.50 is: 194,573.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,227.50 : 359,113.95 = 140,995.50 : x
  2. Step 2: Convert to fraction form
    260,227.50/359,113.95 = 140,995.50/x
  3. Step 3: Cross multiply
    260,227.50x = 359,113.95 × 140,995.50
  4. Step 4: Simplify right side
    260,227.50x = 50,633,450,937.23
  5. Step 5: Solve for x
    x = 50,633,450,937.23/260,227.50
  6. Step 6: Final answer
    x = 194,573.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.